1、课程
1、课程models
- 课程（13）
课程大类
课程子类
学位课
讲师
奖励
专题课（学位课模块表）
价格策略（ContentType）
课程详细（o2o 水平分表）
常见问题
课程大纲
章节
课时
作业
from django.db import models # Create your models here. class Chapter(models.Model): """ 章节 """ num = models.IntegerField(verbose_name='章节') name = models.CharField(verbose_name='章节名称', max_length=32, blank=True, null=True) course = models.ForeignKey(verbose_name="所属课程", to='Course', on_delete=models.CASCADE) def __str__(self): return self.name from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation from django.contrib.contenttypes.models import ContentType from django.db.models import Q from django.utils.safestring import mark_safe from django.db import models import hashlib class CourseCategory(models.Model): """课程大类, e.g 前端 后端...""" name = models.CharField(max_length=64, unique=True) def __str__(self): return "%s" % self.name class Meta: verbose_name_plural = "01.课程大类" class CourseSubCategory(models.Model): """课程子类, e.g python linux """ category = models.ForeignKey("CourseCategory", on_delete=models.CASCADE) name = models.CharField(max_length=64, unique=True) def __str__(self): return "%s" % self.name class Meta: verbose_name_plural = "02.课程子类" class DegreeCourse(models.Model): """学位课程""" name = models.CharField(max_length=128, unique=True) course_img = models.CharField(max_length=255, verbose_name="缩略图") brief = models.TextField(verbose_name="学位课程简介", blank=True, null=True) total_scholarship = models.PositiveIntegerField(verbose_name="总奖学金(贝里)", default=40000) mentor_compensation_bonus = models.PositiveIntegerField(verbose_name="本课程的导师辅导费用(贝里)", default=15000) period = models.PositiveIntegerField(verbose_name="建议学习周期(days)", default=150) # 为了计算学位奖学金 prerequisite = models.TextField(verbose_name="课程先修要求", max_length=1024) teachers = models.ManyToManyField("Teacher", verbose_name="课程讲师") # 用于GenericForeignKey反向查询， 不会生成表字段，切勿删除 # coupon = GenericRelation("Coupon") # 用于GenericForeignKey反向查询，不会生成表字段，切勿删除 degreecourse_price_policy = GenericRelation("PricePolicy") # 查询常见问题 asked_question = GenericRelation("OftenAskedQuestion") def __str__(self): return self.name class Meta: verbose_name_plural = "03.学位课" class Teacher(models.Model): """讲师、导师表""" name = models.CharField(max_length=32) role_choices = ((0, '讲师'), (1, '导师')) role = models.SmallIntegerField(choices=role_choices, default=0) title = models.CharField(max_length=64, verbose_name="职位、职称") signature = models.CharField(max_length=255, help_text="导师签名", blank=True, null=True) image = models.CharField(max_length=128) brief = models.TextField(max_length=1024, blank=True, null=True) def __str__(self): return self.name class Meta: verbose_name_plural = "04.导师或讲师" class Scholarship(models.Model): """学位课程奖学金""" degree_course = models.ForeignKey("DegreeCourse", on_delete=models.CASCADE) time_percent = models.PositiveSmallIntegerField(verbose_name="奖励档位(时间百分比)", help_text="只填百分值，如80,代表80%") value = models.PositiveIntegerField(verbose_name="奖学金数额") def __str__(self): return "%s:%s" % (self.degree_course, self.value) class Meta: verbose_name_plural = "05.学位课奖学金" class Course(models.Model): """专题课程 OR 学位课模块""" name = models.CharField(max_length=128, unique=True) # Python基础 course_img = models.CharField(max_length=255) sub_category = models.ForeignKey("CourseSubCategory", on_delete=models.CASCADE) # course_type_choices = ((0, '付费'), (1, 'VIP专享'), (2, '学位课程')) course_type = models.SmallIntegerField(choices=course_type_choices, blank=True, null=True) degree_course = models.ForeignKey("DegreeCourse", blank=True, null=True, help_text="若是学位课程，此处关联学位表", on_delete=models.CASCADE) brief = models.TextField(verbose_name="课程（模块）概述", max_length=2048, blank=True, null=True) level_choices = ((0, '初级'), (1, '中级'), (2, '高级')) level = models.SmallIntegerField(choices=level_choices, default=1) pub_date = models.DateField(verbose_name="发布日期", blank=True, null=True) period = models.PositiveIntegerField(verbose_name="建议学习周期(days)", default=7) order = models.IntegerField("课程顺序", help_text="从上一个课程数字往后排") attachment_path = models.CharField(max_length=128, verbose_name="课件路径", blank=True, null=True) status_choices = ((0, '上线'), (1, '下线'), (2, '预上线')) status = models.SmallIntegerField(choices=status_choices, default=0) template_id = models.SmallIntegerField("前端模板id", default=1) # 如果是专题课时，获取相关优惠券 # coupon = GenericRelation("Coupon") # 用于GenericForeignKey反向查询，不会生成表字段，切勿删除 price_policy = GenericRelation("PricePolicy") # 查询常见问题 asked_question = GenericRelation("OftenAskedQuestion") class CourseDetail(models.Model): """课程详情页内容""" course = models.OneToOneField("Course", on_delete=models.CASCADE) hours = models.IntegerField("课时") course_slogan = models.CharField(max_length=125, blank=True, null=True) video_brief_link = models.CharField(verbose_name='课程介绍', max_length=255, blank=True, null=True) why_study = models.TextField(verbose_name="为什么学习这门课程") what_to_study_brief = models.TextField(verbose_name="我将学到哪些内容") career_improvement = models.TextField(verbose_name="此项目如何有助于我的职业生涯") prerequisite = models.TextField(verbose_name="课程先修要求", max_length=1024) recommend_courses = models.ManyToManyField("Course", related_name="recommend_by", blank=True) teachers = models.ManyToManyField("Teacher", verbose_name="课程讲师") def __str__(self): return "%s" % self.course class Meta: verbose_name_plural = "07.课程或学位模块详细" class OftenAskedQuestion(models.Model): """常见问题""" content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE) # 关联course or degree_course object_id = models.PositiveIntegerField() content_object = GenericForeignKey('content_type', 'object_id') question = models.CharField(max_length=255) answer = models.TextField(max_length=1024) def __str__(self): return "%s-%s" % (self.content_object, self.question) class Meta: unique_together = ('content_type', 'object_id', 'question') verbose_name_plural = "08. 常见问题" class CourseOutline(models.Model): """课程大纲""" course_detail = models.ForeignKey("CourseDetail", on_delete=models.CASCADE) # 前端显示顺序 order = models.PositiveSmallIntegerField(default=1) title = models.CharField(max_length=128) content = models.TextField("内容", max_length=2048) def __str__(self): return "%s" % self.title class Meta: unique_together = ('course_detail', 'title') verbose_name_plural = "09. 课程大纲" class CourseChapter(models.Model): """课程章节""" course = models.ForeignKey("Course", related_name='coursechapters', on_delete=models.CASCADE) chapter = models.SmallIntegerField(verbose_name="第几章", default=1) name = models.CharField(max_length=128) summary = models.TextField(verbose_name="章节介绍", blank=True, null=True) pub_date = models.DateField(verbose_name="发布日期", auto_now_add=True) class Meta: unique_together = ("course", 'chapter') verbose_name_plural = "10. 课程章节" def __str__(self): return "%s:(第%s章)%s" % (self.course, self.chapter, self.name) class CourseSection(models.Model): """课时目录""" chapter = models.ForeignKey("CourseChapter", related_name='coursesections', on_delete=models.CASCADE) name = models.CharField(max_length=128) order = models.PositiveSmallIntegerField(verbose_name="课时排序", help_text="建议每个课时之间空1至2个值，以备后续插入课时") section_type_choices = ((0, '文档'), (1, '练习'), (2, '视频')) section_type = models.SmallIntegerField(default=2, choices=section_type_choices) # 59EE3275E977AADB9C33DC5901307461 section_link = models.CharField(max_length=255, blank=True, null=True, help_text="若是video，填vid,若是文档，填link") video_time = models.CharField(verbose_name="视频时长", blank=True, null=True, max_length=32) # 仅在前端展示使用 pub_date = models.DateTimeField(verbose_name="发布时间", auto_now_add=True) free_trail = models.BooleanField("是否可试看", default=False) class Meta: unique_together = ('chapter', 'section_link') verbose_name_plural = "11. 课时" def __str__(self): return "%s-%s" % (self.chapter, self.name) class Homework(models.Model): chapter = models.ForeignKey("CourseChapter", on_delete=models.CASCADE) title = models.CharField(max_length=128, verbose_name="作业题目") order = models.PositiveSmallIntegerField("作业顺序", help_text="同一课程的每个作业之前的order值间隔1-2个数") homework_type_choices = ((0, '作业'), (1, '模块通关考核')) homework_type = models.SmallIntegerField(choices=homework_type_choices, default=0) requirement = models.TextField(max_length=1024, verbose_name="作业需求") threshold = models.TextField(max_length=1024, verbose_name="踩分点") recommend_period = models.PositiveSmallIntegerField("推荐完成周期(天)", default=7) scholarship_value = models.PositiveSmallIntegerField("为该作业分配的奖学金(贝里)") note = models.TextField(blank=True, null=True) enabled = models.BooleanField(default=True, help_text="本作业如果后期不需要了，不想让学员看到，可以设置为False") class Meta: unique_together = ("chapter", "title") verbose_name_plural = "12. 章节作业" def __str__(self): return "%s - %s" % (self.chapter, self.title) # # class CourseReview(models.Model): # """课程评价""" # enrolled_course = models.OneToOneField("EnrolledCourse") # about_teacher = models.FloatField(default=0, verbose_name="讲师讲解是否清晰") # about_video = models.FloatField(default=0, verbose_name="内容实用") # about_course = models.FloatField(default=0, verbose_name="课程内容通俗易懂") # review = models.TextField(max_length=1024, verbose_name="评价") # disagree_number = models.IntegerField(default=0, verbose_name="踩") # agree_number = models.IntegerField(default=0, verbose_name="赞同数") # tags = models.ManyToManyField("Tags", blank=True, verbose_name="标签") # date = models.DateTimeField(auto_now_add=True, verbose_name="评价日期") # is_recommend = models.BooleanField("热评推荐", default=False) # hide = models.BooleanField("不在前端页面显示此条评价", default=False) # # def __str__(self): # return "%s-%s" % (self.enrolled_course.course, self.review) # # class Meta: # verbose_name_plural = "13. 课程评价（购买课程后才能评价）" # # # class DegreeCourseReview(models.Model): # """学位课程评价 # 为了以后可以定制单独的评价内容，所以不与普通课程的评价混在一起，单独建表 # """ # enrolled_course = models.ForeignKey("EnrolledDegreeCourse") # course = models.ForeignKey("Course", verbose_name="评价学位模块", blank=True, null=True, # help_text="不填写即代表评价整个学位课程", limit_choices_to={'course_type': 2}) # about_teacher = models.FloatField(default=0, verbose_name="讲师讲解是否清晰") # about_video = models.FloatField(default=0, verbose_name="视频质量") # about_course = models.FloatField(default=0, verbose_name="课程") # review = models.TextField(max_length=1024, verbose_name="评价") # disagree_number = models.IntegerField(default=0, verbose_name="踩") # agree_number = models.IntegerField(default=0, verbose_name="赞同数") # tags = models.ManyToManyField("Tags", blank=True, verbose_name="标签") # date = models.DateTimeField(auto_now_add=True, verbose_name="评价日期") # is_recommend = models.BooleanField("热评推荐", default=False) # hide = models.BooleanField("不在前端页面显示此条评价", default=False) # # def __str__(self): # return "%s-%s" % (self.enrolled_course, self.review) # # class Meta: # verbose_name_plural = "14. 学位课评价（购买课程后才能评价）" # class PricePolicy(models.Model): """价格与有课程效期表""" content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE) # 关联course or degree_course object_id = models.PositiveIntegerField() content_object = GenericForeignKey('content_type', 'object_id') # course = models.ForeignKey("Course") valid_period_choices = ((1, '1天'), (3, '3天'), (7, '1周'), (14, '2周'), (30, '1个月'), (60, '2个月'), (90, '3个月'), (180, '6个月'), (210, '12个月'), (540, '18个月'), (720, '24个月'), ) valid_period = models.SmallIntegerField(choices=valid_period_choices) price = models.FloatField() class Meta: unique_together = ("content_type", 'object_id', "valid_period") verbose_name_plural = "15. 价格策略" def __str__(self): return "%s(%s)%s" % (self.content_object, self.get_valid_period_display(), self.price)
2、cc视频账号
HTML源码
<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <title>Title</title> <meta name="viewport" content="width=device-width, initial-scale=1"> </head> <body> <a href="https://p.bokecc.com/flash/single/4FF338005E903425_BC64692477385A689C33DC5901307461_true_775D6F98ED740319_1/player.swf">点击播放</a> </body> </html>
3、作业
4、生成数据文件，导入数据表
$ python manage.py makemigrations
$ python manage.py migrate
添加数据
5、访问 course，coiurse/1/
